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package main
import (
"math"
"math/rand"
"github.com/fogleman/gg"
)
type Point struct {
X, Y float64
}
func Polygon(n int) []Point {
result := make([]Point, n)
for i := 0; i < n; i++ {
a := float64(i)*2*math.Pi/float64(n) - math.Pi/2
result[i] = Point{math.Cos(a), math.Sin(a)}
}
return result
}
func main() {
const W = 1200
const H = 120
const S = 100
dc := gg.NewContext(W, H)
dc.SetHexColor("#FFFFFF")
dc.Clear()
n := 5
points := Polygon(n)
for x := S / 2; x < W; x += S {
dc.Push()
s := rand.Float64()*S/4 + S/4
dc.Translate(float64(x), H/2)
dc.Rotate(rand.Float64() * 2 * math.Pi)
dc.Scale(s, s)
for i := 0; i < n+1; i++ {
index := (i * 2) % n
p := points[index]
dc.LineTo(p.X, p.Y)
}
dc.SetLineWidth(10)
dc.SetHexColor("#FFCC00")
dc.StrokePreserve()
dc.SetHexColor("#FFE43A")
dc.Fill()
dc.Pop()
}
dc.SavePNG("out.png")
}
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